Judging by the Zehrs that I go to here (groceries), they DO relate SKUs and
weight. I have however been able to scan a box of cereal and throw in lets say
a pack of mushrooms without the machine noticing :-) Of course, I did not go
through with it... but most of the time, it does seem to relate the two quite
well. And if not, the two girls looking over the self-serve isles serve some
purpose I'm sure :-)

 Quoting Alex Kilpatrick <AlexK@HCITRAINING.COM>:

> Here in Austin, Walmart and Home Depot have installed self-serve
> check-out lanes. Here is how it works:
>
> You scan your item
>
> You now have to put the item in a bag. It complains if you don't.
>
> Repeat until done
>
> Pay (cash, credit)
>
> If you attempt to put an item in the bag without scanning, it complains.
>
> Now, presumably it has a fairly sensitive weight sensor somewhere. I
> know it could detect a package of two screws when I used it. But I was
> wondering what would prevent you from trying the following:
>
> 1) Scan can of tomatoes
>
> 2) Drop a CD in bag
>
> 3) Scan tomatoes again
>
> 4) Drop tomatoes in bag
>
> I don't think it has a database relating SKUs and weight.
>
> Any knowledge or guesses?
>
>
>
> Alex
>
>
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